Finding the Fourth Proportional to 87,731.24, 131,594.70 and 27,763.88
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Solution
The fourth proportional to 87,731.24, 131,594.70 and 27,763.88 is: 41,645.14
Step by Step Solution
- Step 1: Write the proportion equation
87,731.24 : 131,594.70 = 27,763.88 : x - Step 2: Convert to fraction form
87,731.24/131,594.70 = 27,763.88/x - Step 3: Cross multiply
87,731.24x = 131,594.70 × 27,763.88 - Step 4: Simplify right side
87,731.24x = 3,653,579,459.44 - Step 5: Solve for x
x = 3,653,579,459.44/87,731.24 - Step 6: Final answer
x = 41,645.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.